 /*******************************************************************************
  * Copyright (c) 2005, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.activities.ws;

 import java.util.HashMap ;
 import java.util.Map ;

 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;

 /**
  * @since 3.1
  */
 public class RegistryTriggerPoint extends AbstractTriggerPoint {

     private String id;

     private IConfigurationElement element;

     private Map hints;

     /**
      * Create a new instance of this class.
      *
      * @param id the id of the trigger point
      * @param element the defining configuration element
      */
     public RegistryTriggerPoint(String id, IConfigurationElement element) {
         this.id = id;
         this.element = element;
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.activities.ITriggerPoint#getId()
      */
     public String getId() {
         return id;
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.activities.ITriggerPoint#getStringHint(java.lang.String)
      */
     public String getStringHint(String key) {
         return (String ) getHints().get(key);
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.activities.ITriggerPoint#getBooleanHint(java.lang.String)
      */
     public boolean getBooleanHint(String key) {
         return Boolean.valueOf(getStringHint(key)).booleanValue();
     }

     /**
      * Lazily create the hints.
      *
      * @return the hint map
      */
     private Map getHints() {
         if (hints == null) {
             hints = new HashMap ();

             IConfigurationElement[] hintElements = element
                     .getChildren(IWorkbenchRegistryConstants.TAG_HINT);
             for (int i = 0; i < hintElements.length; i++) {
                 String id = hintElements[i]
                         .getAttribute(IWorkbenchRegistryConstants.ATT_ID);
                 String value = hintElements[i]
                         .getAttribute(IWorkbenchRegistryConstants.ATT_VALUE);

                 if (id != null && value != null) {
                     hints.put(id, value);
                 }
             }
         }

         return hints;
     }
 }

